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Effect of Surface Coatings on Wall Slip of LLDPE

  • S. G. Hatzikiriakos , C. W. Stewart and J. M. Dealy
Published/Copyright: May 27, 2013
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International Polymer Processing
From the journal International Polymer Processing Volume 8 Issue 1

Abstract

The polymer-metal interface in a sliding plate rheometer was modified by applying three fluoropolymer coatings to the plates in order to examine their effect on the wall slip behavior of a linear low density polyethylene. All three coating materials increased the slip velocity markedly. Furthermore, it was found that the critical shear stress for the onset of slip scales well with the work of adhesion of the interface, suggesting that slip is the result of adhesive failure at the interface.

* Mail address: Prof. Dr. J. M. Dealy, Department of Chemical Engineering, McGill University, 3480 University Street, Montreal, Quebec, Canada H3A 2A7.
Received: 1992-3-20
Accepted: 1992-6-19
Published Online: 2013-05-27
Published in Print: 1993-03-01

© 1993, Carl Hanser Verlag, Munich

Articles in the same Issue

  1. Contents
  2. Contents
  3. Invited Paper
  4. The Challenges of Waste Toward the 21st Century
  5. Internal Mixers
  6. Simulation of 3-Dimensional Flow in Internal Mixers
  7. Die Extrusion
  8. Effect of Surface Coatings on Wall Slip of LLDPE
  9. Effects of Interfacial Conditions on Wall Slip and Sharkskin Melt Fracture of HDPE
  10. Reactive Processing
  11. Maleation of Polypropylene Melt in Model Reactors
  12. Film
  13. Modeling of Non-isothermal Film Blowing with Integral Constitutive Equations
  14. Non-isothermal Crystallization of a Polymer Film on Chilling Rolls
  15. Molding
  16. A Process to Produce Microcellular PVC
  17. Orientation Development of Mixed Anisotropic Particles in Compounds
https://doi.org/10.3139/217.930030

Articles in the same Issue

  1. Contents
  2. Contents
  3. Invited Paper
  4. The Challenges of Waste Toward the 21st Century
  5. Internal Mixers
  6. Simulation of 3-Dimensional Flow in Internal Mixers
  7. Die Extrusion
  8. Effect of Surface Coatings on Wall Slip of LLDPE
  9. Effects of Interfacial Conditions on Wall Slip and Sharkskin Melt Fracture of HDPE
  10. Reactive Processing
  11. Maleation of Polypropylene Melt in Model Reactors
  12. Film
  13. Modeling of Non-isothermal Film Blowing with Integral Constitutive Equations
  14. Non-isothermal Crystallization of a Polymer Film on Chilling Rolls
  15. Molding
  16. A Process to Produce Microcellular PVC
  17. Orientation Development of Mixed Anisotropic Particles in Compounds
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